建筑节能住宅,在冬冷夏热的湖南,主要表现在节电和给居住者带来夏凉冬暖的舒适感。在看房买房过程中,怎样挑选节能住宅呢?1.外墙特别是东西向外墙应隔热保温。2.屋顶应隔热保温。3.楼板与装修地板应隔热保温。4.门窗空气密闭性好,玻璃应是双层真空玻璃。5.首选低层住宅,避开高? Energy-efficient residential buildings, hot and cold in the winter in Hunan, mainly in the energy-saving and summer to bring warmth to the residents comfort. In the show buy a house in the process, how to choose energy-efficient residential it? 1. Exterior wall, especially east-west wall insulation should be. 2. The roof should be heat insulation. 3. Floor and decoration of the floor should be heat insulation. 4. Doors and windows air tightness, the glass should be double vacuum glass. 5 preferred low-rise residential, avoid high?